On Wednesday afternoon, Playwrights Horizons held the dedication ceremony for their new home on West 42nd St. The brand new multi-million dollar complex currently houses the reunion concert presentation of Floyd Collins through Jan. 26 on their mainstage. PH will next offer Christopher Durang's Laughing Wild in the 96-seat Peter Jay Sharp Theater (Jan. 30-Feb. 1). Photos Aubrey Reuben